PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-17:27:40
G02     200.4          15.7               12.3 +/-    2.38      30.1 +/-    2.38  0.100 / 0.280
G06     170.3          50.9               14.1 +/-    0.94      17.5 +/-    0.94  0.100 / 0.300
G13     230.0          15.7               10.6 +/-    2.11      26.0 +/-    2.11  0.040 / 0.080
G17     16.1           63.3               10.2 +/-    0.91      11.3 +/-    0.91  0.040 / 0.080
G19     300.2          70.2               11.1 +/-    0.94      11.7 +/-    0.94  0.120 / 0.170
G24     311.9          27.6               11.4 +/-    1.28      21.0 +/-    1.28  0.080 / 0.160
G28     83.3           42.0               11.3 +/-    0.51      15.9 +/-    0.51  0.150 / 0.180
G30     156.9          19.0               12.6 +/-    2.10      28.4 +/-    2.10  0.140 / 0.180